Test Date

Test specimen

No.

Weight before the test (g)

Weight after the test (g) (12 wks later)

Weight loss ratio (%)

Inoculation treatment on Oct. 31

Geo-textile without preservative treatment

Group 1

0.462

0.453

1.92

Group 2

0.486

0.468

3.58

Group 3

0.476

0.458

3.78

Group 4

0.491

0.477

2.85

Group 5

0.482

0.465

3.52

Group 6

0.486

0.47

3.29

Group 7

0.518

0.502

2.93

Group 8

0.514

0.501

2.52

Group 9

0.485

0.467

3.60

Group 10

0.492

0.468

4.87

Inoculation treatment on Nov. 17

Preservative-treated geo-textile

Group 1

0.436

0.433

0.48

Group 2

0.465

0.458

1.31

Group 3

0.426

0.423

0.70

Group 4

0.445

0.4398

1.16